29,721 Unicorns jobs
Open roles at unicorns — private companies valued at over $1 billion.
Chief of Staff, CEO
Pendo is seeking a strategic, proactive Chief of Staff to serve as a trusted advisor and partner to our CEO. This highly visible role will help shape and advance company priorities, drive cross-functional alignment,…

Senior Propulsion Engineer, Integrated Design
Senior propulsion engineer at Relativity Space owning the overall layout, packaging, and CAD/eBOM of Terran R rocket engines, plus design and analysis of structural/fluids hardware (gimbal, cryogenic ducting, manifolds). Core tools: CAD (Siemens NX/Teamcenter preferred) and FEA (Ansys/Abaqus/Nastran).



Staff Embedded Linux Platform Engineer
Staff engineer on Zipline's Embedded Platform team, building and owning the embedded Linux middleware beneath autonomous aircraft flight software — OTA updates, IPC, communications, logging, and observability services delivered in Rust and C++ from architecture through production.



Staff Software Engineer - Routing Engine
Staff engineer on Zipline's Routing team builds real-time optimization algorithms and high-availability services that compute safe, efficient flight paths for autonomous drone deliveries. The stack includes Rust, Go, Docker, Kubernetes, Kafka, and AWS, with a focus on low-latency, fault-tolerant distributed systems.



Senior Software Engineer - Routing Engine
Senior software engineer designs and operates real-time routing systems that generate safe, efficient flight paths for autonomous delivery drones, using optimization and distributed systems at global scale.



Senior Embedded Software Engineer - Avionics SW
Own end-to-end avionics subsystems (GNSS, cellular, IMU) at Zipline: write flight- and safety-critical embedded Linux software in C++ or Rust, build diagnostics/validation tooling and hardware-in-the-loop tests, and drive RCA on high-severity fleet incidents for its autonomous drone delivery logistics platform.



Embedded Firmware Engineer
Owns C++ firmware for the microcontrollers running Zipline's autonomous drone delivery aircraft — building Ethernet/serial communication interfaces, optimizing real-time performance, and developing Rust-based tooling and simulations to test and diagnose firmware at scale. Hybrid role based at the South San Francisco headquarters.





